Cheapest return flights from Boston to San Jose in January  from 218€ 
            
            
         
        
            
    
    
    
        AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO)
        in January 2026 (see full year ).
    
    
        Return flights 
        
            
            
            
                
                    13 Jan
                    
                        - 22 Jan
                    
                 
                
                    United
                 
                
                    
                        
                            218 €
                         
                     
                 
                 
                
             
            
            
                
                    28 Jan
                    
                        - 11 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            228 €
                         
                     
                 
                 
                
             
            
            
                
                    27 Jan
                    
                        - 11 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            240 €
                         
                     
                 
                 
                
             
            
            
                
                    07 Jan
                    
                        - 21 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            254 €
                         
                     
                 
                 
                
             
            
            
                
                    28 Jan
                    
                        - 01 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            258 €
                         
                     
                 
                 
                
             
            
            
                
                    06 Jan
                    
                        - 13 Jan
                    
                 
                
                    Copa
                 
                
                    
                        
                            265 €
                         
                     
                 
                 
                
             
            
            
                
                    06 Jan
                    
                        - 09 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            269 €
                         
                     
                 
                 
                
             
            
            
                
                    27 Jan
                    
                        - 06 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            270 €
                         
                     
                 
                 
                
             
            
            
                
                    27 Jan
                    
                        - 01 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            270 €
                         
                     
                 
                 
                
             
            
            
                
                    12 Jan
                    
                        - 01 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            270 €
                         
                     
                 
                 
                
             
            
            
                
                    15 Jan
                    
                        - 24 Jan
                    
                 
                
                    United
                 
                
                    
                        
                            276 €
                         
                     
                 
                 
                
             
            
            
                
                    07 Jan
                    
                        - 09 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            280 €
                         
                     
                 
                 
                
             
            
            
                
                    06 Jan
                    
                        - 11 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            307 €
                         
                     
                 
                 
                
             
            
            
                
                    02 Jan
                    
                        - 09 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            313 €
                         
                     
                 
                 
                
             
            
            
                
                    07 Jan
                    
                        - 11 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            318 €
                         
                     
                 
                 
                
             
            
            
                
                    02 Jan
                    
                        - 11 Jan
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            336 €
                         
                     
                 
                 
                
             
            
            
                
                    28 Jan
                    
                        - 10 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            444 €
                         
                     
                 
                 
                
             
            
            
                
                    27 Jan
                    
                        - 10 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            456 €
                         
                     
                 
                 
                
             
            
            
                
                    28 Jan
                    
                        - 09 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            457 €
                         
                     
                 
                 
                
             
            
            
                
                    28 Jan
                    
                        - 06 Feb
                    
                 
                
                    Spirit Airlines
                 
                
                    
                        
                            465 €
                         
                     
                 
                 
                
             
            
             
        
        
            Also check the deals for one-way  flights from Boston to San Jose in January .
        
     
    
        
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        Only the cheapest flights are offered.
        Select a price  to book and secure these cheap prices.
    
    
    
    
 
 
         
        
        
        
        
        
            
 
        
        
        
        
            
    
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